rip it a part?
The Key is the substrate while the key is the enzyme. Just finished learning this :)
Lock and Key is one of the theories behind how enzymes fit together with substrates and act as biological catalysts that speed up a reaction in the body. The enzyme usually allows this to happen at...
Hair, maybe?
Picking a Tubular Cylinder Lock
Picking a Cam or Disc Lock
Picking a Rim Cylinder Lock
Picking a Commercial Grade Lever Lock