Which preposition to use with whipstock

in Occurrences 1%

Nay, that were but small manners, and not fit: His duty is before you bare to stand, Having a lusty whipstock in his hand.

on Occurrences 1%

For all your dagger, wert not for your ging, I would knock my whipstock on your addle-head.

Which preposition to use with  whipstock