Controls by how much the crotch is lowered.

Lowering the crotch makes for a more casual fit.  
A signigicantly lowered crotched can also be a style choice.


## Effect of this option on the pattern
![This image shows the effect of this option by superimposing several variants that have a different value for this option](titan_crotchdrop_sample.svg "Effect of this option on the pattern")