Is It Legal to Buy an OTF Knife Online? A Practical Guide to Federal Law, Shipping, and Smart Shopping

Curious if you can legally buy an OTF online? Learn what federal law actually says, USPS and TSA rules, how state laws fit in, and which Uppercut Tactical OTFs make compliant, no‑drama sense.

OTF vs Assisted vs Manual vs Fixed: The Right Knife for EDC, Rescue, and Defense

A clear, field‑ready comparison of OTF automatics, spring‑assisted folders, manual folders, and fixed blades—how they work, where each shines, and how to choose for EDC, rescue, or defense.

How to Carry an OTF Knife Safely: Clip Positions, Pocket Setups, and Draw Habits That Work

A practical guide to OTF knife carry—smart clip positions, pocket setups, safe draws, and discreet etiquette—plus AKTI‑backed tips and gear picks from Uppercut.

Traveling With Knives (OTF, Folders, and Tools): TSA Rules, Smart Packing, and State‑Law Basics

Flying or driving with knives doesn’t have to be confusing. Here’s how to align with TSA rules, pack OTFs and folders the right way, avoid state‑law surprises, and know when shipping is smarter.

Micro and Nano OTF Knives: A Practical, Legal‑Smart Buying Guide

Thinking small without giving up capability. Here’s when micro and nano OTF knives make sense, how the 2‑inch rule works, how to measure legally, and what to buy—plus TSA travel notes.

How Does an OTF Knife Work? Inside Double‑Action Mechanisms, Safety, and Smart Buying

A field‑ready explainer of how double‑action OTF knives actually work—mechanism, lock‑up, safety behavior, and what to look for—plus care, legality basics, and shop picks from Uppercut Tactical.

How to Sharpen an OTF Knife (Plain and Serrated) Without Disassembly: Angles, Tools, and a Safe, 15‑Minute Routine

Keep your OTF truly sharp without taking it apart. This 15‑minute routine covers angles that work, fast field sharpening for plain edges, the right way to tune serrations, and a stropping habit that doubles edge life—plus the exact tools to stash in your kit.

Plain vs Serrated (and Combo) Edges on OTF Knives: The Right Edge for EDC, Rescue, and Self‑Defense

Plain, serrated, or combo on your OTF? Here’s the no‑nonsense way to choose the right edge for EDC, rescue, and defensive use—plus the best Uppercut picks.

How to Measure Knife Blade Length (OTF and Folding) to Stay Legal in 2025

Blade length rules can make or break your carry. Here’s the AKTI‑based way to measure any folding or OTF blade, what California’s 2‑inch threshold means, and how to pick a compliant automatic—plus TSA travel basics.