TSA Warns Travelers: Avoid Knives and Scissors in Carry-Ons

A traveler attempting to bring items resembling pipe bombs through a TSA checkpoint in Oakland highlights extreme vigilance.

LO
Liam O'Connell

June 6, 2026 · 2 min read

TSA agent inspecting a carry-on bag and holding up a pair of scissors, emphasizing airport security checks for prohibited items.

A traveler attempting to bring items resembling pipe bombs through a TSA checkpoint in Oakland highlights extreme vigilance. Yet, even common items, like certain multitools, face unpredictable scrutiny. This makes navigating TSA rules a gamble.

Travelers diligently research and purchase 'TSA-compliant' carry-on items. But here's the rub: the final decision on item allowance rests solely with the individual TSA officer, according to SlashGear. This creates a glaring contradiction between published guidelines and real-world enforcement.

So, prepare for items to be rejected, even if they appear to meet the rules. You're trading convenience for security, after all. For example, the TSA doesn't allow knives or scissors in carry-on luggage, SlashGear reports.

The Illusion of 'TSA-Compliant' Tools

Manufacturers churn out products marketed as 'TSA-compliant,' like the Leatherman Style PS, which supposedly meets all carry-on requirements, according to SlashGear. These tools promise a solution to packing woes, but here's the kicker: 'compliance' offers no guaranteed passage. Travelers remain vulnerable to arbitrary decisions.

The High Stakes of Security

The Oakland pipe bomb scare, reported by TSA, reminds us why officers wield such broad discretionary power. This authority, while necessary for serious threats, often leads to traveler inconvenience. It's a daily lottery, where individual judgment trumps consistent application of rules.

Beyond Carry-On: Broader Luggage Restrictions

Don't think checked luggage is a free-for-all. Curling irons, flat irons, and cordless hairbrushes with gas cartridges or non-removable batteries are banned, even in checked bags, according to El Cronista. The same source warns that certain full-size aerosols and 'high-risk' items will also face restrictions. These rules, often counter-intuitive, show that security is comprehensive but rarely transparent, leaving travelers scratching their heads.

Navigating the Rules: Approved Multitools

A surprising number of Leatherman products do comply with current TSA carry-on regulations. This includes the Tread, Tread LT, Tread Metric, Brewzer, Piranha 2, Style PS, Mako Ti, Grind, Jam, Thruster, Pump, Rail, Cam, and Rime, according to SlashGear. But don't let the long list fool you. Companies selling 'TSA-compliant' products are peddling an illusion of security; the ultimate decision remains with the individual TSA officer, not the product specs.

Travelers carrying a Leatherman Style PS may still face uncertainty at security checkpoints, thanks to the inherent reliance on individual officer discretion, despite the tool's explicit design for compliance.