It will be fine
Pull the saw all the way out, push down into the 4 x 4 every 1/2 " or so. Knock out the waste with a chisel and you will be fine. This will work whether it's in the middle or off the end, like a rabbet. :yes:
Pull the saw all the way out, push down into the 4 x 4 every 1/2 " or so. Knock out the waste with a chisel and you will be fine. This will work whether it's in the middle or off the end, like a rabbet. :yes: