The lock ball is placed in the concave part of the trailer head. The outside of the trailer head is covered by a lock cover. The lock cover is hinged with the seat body and can be locked at a certain angle to lock the trailer head. However, for trailer heads with different specifications, such trail......

One of the most important aspects of owning a firearm is knowing how to safely store it. As one of the first steps of firearm safety, proper storage means a secure safe or gun locker at home as well as secure cases or locks on firearms during transit. Safety devices like these help prevent unauthori......

Key lockboxes are a low tech tried and true solution but have a few pitfalls to be aware of. Lock boxes have a single code which is used to open them and access the keys inside. In order to maintain security, lockbox owners must change the code after every new user.