+1. :yes:Rounding over the edges should help. It helped for a bench top I made.
However, you need to look carefully at the grain direction. I was not so careful and ended up with a piece tearing out. In hindsight, I would have had to use a climb cut on this section.
Sand down the surfaces.
I do not know if there is a finish which will prevent splintering, but I would use a hard film finish like a polyurethane and several coats.