Grapnel and Hasp

Grapnel noun - A tool consisting of several hooks for grasping and holding; often thrown with a rope.

Hasp and grapnel are semantically related. in curved fastener topic. In some cases you can use "Hasp" instead a noun "Grapnel".

Hasp noun - A fastener for a door or lid; a hinged metal plate is fitted over a staple and is locked with a pin or padlock.

Grapnel and hasp are semantically related. Sometimes you can use "Grapnel" instead a noun "Hasp".