You want the distal end of the clamp to be higher than the end which is clamped so as to have better leverage, and you want the clamp close to level so that it won’t by trying to pop the part out from under it.
See:
You want the distal end of the clamp to be higher than the end which is clamped so as to have better leverage, and you want the clamp close to level so that it won’t by trying to pop the part out from under it.
See: