Cut from a solid using a surface or solid

I am using a multi-body part and trying to make a cut from the solid pipe extrusion in a shape that looks like a computer mouse. I tried making the mouse-looking shape as a surface and using indent but it did not work. I also tried to make it a solid and then use either indent or combine with subtract but neither of those worked. Does anyone know how to accomplish this cut? Much thanks in advance.

SolidworksParts And Features