Add ability to skew holes in bit series

[blackmad]

I wanted to be able to make long narrow holes in series for a set of cheap leather edgers: https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRJayHYGx7U-5UAZRcCL0a_uGkqD6n5UHPx9w&usqp=CAU

I don't love this approach, but it was by far the simplest/easiest/most correct thing i could come up with