How to cut rubber properly for the 45* Liquidator Squeegee

//youtu.be/hgmf9htUtz8

I think the plastic end caps on the Liquidator have a much nicer fit in the corner on the end of the channel than the original modified versions. What do you think? Better?

//youtu.be/uC9DXeVYP0Q

“I think the plastic end caps on the Liquidator have a much nicer fit in the corner on the end of the channel than the original modified versions”

I won’t know until i get a liquidator.