Place it at the peak of the struggle, just before the object comes free, then follow a successful pull with clapping and a failed one with the fail sound for contrast.
关于此声音
This is a very brief straining sound effect, lasting just over a fifth of a second, built around a slow stretch that snaps into a release. It feels tense and effortful, like muscles and wood resisting before something finally gives. It comes from the 1943 Donald Duck cartoon Fall Out—Fall In.