I. Is the jackknife a controlled tool?
Whether the jackknife is a controlled tool depends on the shape and size of the jackknife. Controlled knives
refer to daggers, three-edged knives, switch knives (jump knives) and other similar single-edged, double-edged and three-edged knives. The specific standard needs to be identified according to the ‘Controlled Knife Identification Standard’.
Article 1 of the ‘Standards for the Identification of Controlled Knives’, those that meet one of the following standards can be identified as controlled knives:
1. Daggers: Blood grooves, single-edged, double-edged or multi-edged sharp knives with a tip angle of less than 60 degrees.
2. Triangular scraper: a machining tool with three blades.
3. Switch-blade knife with self-locking device (jumping knife): After the blade is unfolded or popped out, the self-locking folding knife can be fixed by the spring or latch in the handle.
4. Other similar single-edged, double-edged, and triangular-edged knives: all kinds of single-edged, double-edged and multi-edged knives with a blade angle of less than 60 degrees and a blade length of more than 150 mm.
5. Other types of single-edged, double-edged and multi-edged knives with a blade angle greater than 60 degrees and a blade length of more than 220 mm.
Second, Can a jackknife be taken on the subway?
A jackknife is an item that can harm the safety of others and is prohibited. In addition, tear gas, tear gas guns, electric shocks, stun guns, defense devices, bows, crossbows and other devices with certain lethality; nail bullets, starting bullets and other products containing gunpowder; kitchen knives, machetes, utility knives, etc. Knives, hammers, axes, cones, shovels, shovels, picks and other tools, spears, swords, halberds, etc., and other sharp and blunt instruments that can cause stab wounds, cuts, scratches, cuts, etc.; batons, Handcuffs and other weapons and police equipment are also prohibited from being carried on the subway.