Abstract: Lock-protecting hasp which secures to at least one door and a member or to two doors and a subsequent shackle lock whether the lock be key or combination and protects the shackle from being cut or pried off the body of the lock or between the shackle, the body and the lock-protecting hasp. The lock-protecting hasp includes two outside mount hasps, a spacer secured to each of the outside mount hasps, and a protector block engaged to each of the outside mount hasps. The lock-protecting hasp particularly lends itself to use on semi-trailers. The lock-protecting hasp accepts any lock of suitable size.