https://mrf.tools/blogs/edc-journal/how-to-use-a-credit-card-multitool 2026-09-03T15:35:47+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/mrf26-hub-photo-hero.jpg?v=1788442547 How to Use a Credit Card Multitool: The Complete Field Guide An Extreme 3.0 card multitool in copper-toned finish lying on a leather wallet next to a folding knife, on a weathered stump https://mrf.tools/blogs/edc-journal/fix-a-bike-with-a-credit-card 2026-09-03T10:45:24+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/NVV08344-1.jpg?v=1787480384 Fix a Bike with a Credit Card A gloved hand holding an MRF Extreme card multitool against a bicycle frame, the engraved wrench and spoke-gauge cutouts visible as the card seats on a bottle-cage bolt https://mrf.tools/blogs/edc-journal/bottle-opener-paradox 2026-09-03T10:39:38+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/NVV02531-1.jpg?v=1787480490 The Bottle Opener Paradox Two Universal 4.0 cards on a white-washed wooden desk beside a mechanical pencil, a micrometer and a scientific calculator, one card with its blade plate swung open https://mrf.tools/blogs/edc-journal/the-lock-that-lives-in-two-millimeters 2026-09-03T10:39:54+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/Gemini_Generated_Image_j5gx5oj5gx5oj5gx.png?v=1787480581 The Lock That Lives in Two Millimeters MRF Fold — a folding knife built around the Rotate Lock joint, titanium handle with orange scale https://mrf.tools/blogs/edc-journal/gifts-for-engineers 2026-09-03T10:39:42+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/NVV02531-1_869e5c20-d850-4344-a598-6a2e551e152a.jpg?v=1787480584 Gifts for Engineers Who Have Everything An MRF card multitool laid out on dark mossy ground beside a set of open-end wrenches it replaces https://mrf.tools/blogs/edc-journal/moon-phase-calendar-card 2026-09-03T10:39:39+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/NVV08344-1_052c4aeb-83d1-449a-af61-c2507ffa6080.jpg?v=1787480598 The Moon Phase Calendar on Your Card A hand holding a Universal 4.0 card up against a deep blue night sky, with a crescent moon sitting just above its edge https://mrf.tools/blogs/edc-journal/six-bundles-six-characters 2026-09-03T10:44:07+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/mrf26-article30-hero-spread-w.jpg?v=1787480623 Six Bundles. Six Characters. A full MRF layout on a black and brown mat: Universal 4.0, Designer, Universal 3.0 in a leather holder, Extreme, a compass card, a pen, a folding knife, a bit bar and a ferro rod https://mrf.tools/blogs/edc-journal/sundial-compass-both-hemispheres 2026-09-03T10:42:08+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/NVV08344-1_5b5b9ee3-428f-441e-9ebd-e7aaaa3f4046.jpg?v=1787480648 How to Read a Sundial Compass A card multitool with a twig gnomon casting a shadow on its engraved sundial, lying on a log beside a GPS watch https://mrf.tools/blogs/edc-journal/card-multitool-vs-leatherman 2026-09-03T10:47:55+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/NVV02531-1_b424c571-8381-456c-996c-fc79c0b7b2e3.jpg?v=1787480660 Card Multitool vs Leatherman: When Each One Wins A line of folded multitools on a dark workbench next to an MRF card tool and a pen https://mrf.tools/blogs/edc-journal/where-your-card-is-legal 2026-09-03T10:50:25+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/Gemini_Generated_Image_j318qoj318qoj318.png?v=1787480726 Where Your Card Is Legal: UK, DE, FR & Flying Art Knife limited edition — a credit-card-size blade with CNC openwork pattern in hardened 440C steel https://mrf.tools/blogs/edc-journal/survival-cards-explained 2026-09-03T10:44:54+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/PXL_20241203_0818226381.MP.jpg?v=1787480733 Survival Cards, Explained Five MRF milled card tools laid out on dark fabric — Universal 3.0, 4.0 and 5.0, Bushcrafter and Adventur — all in the same 85 by 54 mm footprint https://mrf.tools/blogs/edc-journal/officeworker-card-hr-will-shake-hands-with 2026-09-03T10:39:50+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/Gemini_Generated_Image_fswjurfswjurfswj_7017dd76-252b-4c52-9845-6abc7a0769d9.png?v=1787480743 OfficeWorker: The Card HR Will Shake Hands With MRF OfficeWorker 40-in-1 blade-free card tool lying on a desk beside a laptop and notebook https://mrf.tools/blogs/edc-journal/one-card-instead-of-a-pencil-case 2026-09-03T10:46:24+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/PXL_20240423_083028724.MP_2.jpg?v=1787480758 The Physics of a Wallet Drafting Tool Four anodized Designer drafting cards tiled edge to edge in deep violet tones — protractor arcs, circle templates and pica scales under raking light https://mrf.tools/blogs/edc-journal/titanium-vs-440c-steel 2026-09-03T10:41:18+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/NVV02531-1_20c57caa-4dbd-4851-855b-6136850cc5cd.jpg?v=1787480805 Titanium vs 440C Steel: What the Numbers Mean MRF credit card multitool on a workbench, showing the machined titanium surface https://mrf.tools/blogs/edc-journal/tsa-multitool-rules 2026-09-03T10:40:00+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/PXL_20241014_1001238151.jpg?v=1787480808 TSA Rules for Multitools in 2026 MRF credit card multitool carried while travelling https://mrf.tools/blogs/edc-journal/weight-budget-of-a-raid 2026-09-03T10:39:34+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/mrf26-article31-hero-can-opener-w.jpg?v=1787480813 The Weight Budget of a Raid A hand holding a steel Universal 3.0 card at a campfire, opening a food can with the card's edge https://mrf.tools/blogs/edc-journal/modular-tool-kits-explained 2026-09-03T10:45:07+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/NVV03721-11.jpg?v=1787480865 Modular Tool KITs Explained Three MRF Universal cards seated in the modular handle in three colours, standing on a wood stump https://mrf.tools/blogs/edc-journal/universal-3-vs-4-vs-5-generations 2026-09-03T10:45:58+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/NVV02531-1_0e09bb59-b826-4a61-b4e2-6a7c47a0222f.jpg?v=1787480876 Universal 3.0 vs 4.0 vs 5.0 Universal 3.0, 4.0 and 5.0 card multitools laid out together on a grey technical mat https://mrf.tools/blogs/edc-journal/can-a-credit-card-chop-wood 2026-09-03T10:41:14+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/mrf26-u3-hatchet-hero-w.jpg?v=1787481067 Can a Credit Card Chop Wood? Universal 3.0 card mounted in the split end of a wooden stick with paracord wrap — a field-built hatchet resting on a log https://mrf.tools/blogs/edc-journal/find-latitude-with-polaris 2026-09-03T10:43:39+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/mrf26-u4-polaris-map-w.jpg?v=1787481071 Find Your Latitude Without GPS Universal 4.0 card on a topographic map — the protractor scale and the engraved Polaris sight mark with its star, the center hole for the plumb thread beside it https://mrf.tools/blogs/edc-journal/what-size-is-this 2026-09-03T10:46:43+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/mrf26-article28-hero-cards-wood-w.jpg?v=1787481141 What Size Is This? Go/No-Go Wallet Gauge Five Professional gauge cards in orange, silver and black anodized finishes laid out on an oak workbench, milled gauge holes catching the light https://mrf.tools/blogs/edc-journal/how-to-find-north-without-a-compass 2026-09-03T10:42:12+02:00 weekly https://cdn.shopify.com/s/files/1/0637/5007/8670/articles/mrf26-article24-hero-topo-map-w.jpg?v=1787481149 How to Find North Without a Compass Silver Universal 3.0 card lying across a topographic map beside a pen, its protractor arc and inch and millimetre scales over the contour lines