Throw this on top of a T Lower molly for maximum effect.

Aim at and keep tracking the far blue curb as shown, underhand jumpthrow at the pillar.
This is a right mouse button jumpthrow.

Video shows 128-tick execution, on 64-tick aim slightly higher (setpos_exact 709.624939 91.238998 134.031250;setang_exact 14 -82.400787 0.000000;).