My son wanted another tool for his R/C excavator. So similar to real world examples, i used the already printed forklift to attach the hook.
There are many crane hooks available at thingiverse, i used: https://www.thingiverse.com/thing:14653
For the connection between base part and hook i used small keyring.
To use this hook attachment, you need the forklift: https://www.thingiverse.com/thing:6810264
Double_E_561_Hook.stl | 360.5KB |