The telescopic baton ball head is made of steel. If it is improperly used, it will cause excessive damage to the other party and may make the legitimate defense exceed the necessary limit; Secondly, the handle of the baton is designed as a straight cylinder, without hand protection device, which is not firm and easy to be grabbed by the other party.

The existing telescopic baton needs to be thrown out forcefully when it is used, which is easy to cause accidental injury, low safety factor and operation trouble; Moreover, the casing will retract again after the front end is subject to resistance, which is not conducive to the timely and effective suppression of violence. It has the advantages of rapid opening, safety, small size, easy hiding, convenient carrying and use, and durability.