The Cuff Lock handcuff key padlock uses this same standard key. In the early 1920s, Harry Soref started Master Lock off with the first laminated padlock. The padlock, keys and hardware are made of white or yellow gold. There are two basic types of padlock locking mechanisms&colon; integrated & modular. Here the key is the trapdoor and the padlock is the trapdoor function. After losing it, he removes his padlock and bolt-latch from the remains. The padlock on the gate was cut with a pair of bolt cutters. A key to the padlock was inside the bag, underneath his body. Niles escaped the fire due to "Holland" previously cutting the padlock from the cellar door. The valve was normally secured by a padlock. Opening the padlock easily, however, requires the key to be used. He regurgitated the padlock, which enclosed Holden's ring, followed by the key. The cage can only be damaged on the side which has a green padlock. This style of padlock was both strong and easy to manufacture. This design gave the commercial padlock market a serviceable, rekeyable padlock.