With the pants fitting process, knowing what adjustment to make is one of the hardest parts. This tutorial discusses the signs of poor crotch fit and provides a step-by-step process for lengthening or shortening the crotch in pants.
Tutorial: Easy ways to create a roomier trouser crotch
How to Fold Pants and Jeans to Save Space
Pattern alterations: How to adjust the crotch in pants - Cucicucicoo
Safran# Adjusting the front – Deer&Doe • the blog
Tutorial: Adjusting Crotch Depth (OAL2018)
Can anyone point why tf I have this ridiculous bunching in crotch? Happens to all pants of the brand, yet doesn't seem to be there on the model : r/PetiteFashionAdvice
Balancing Front and Back Crotch Hook Lengths – HandmadePhD
Top Down Center Out with the Eve Trousers – The Crooked Hem
How to Eliminate High Thigh Leg Folds in Back Pant Leg - Designer Stitch
Men's Joggers Comparison Guide: Part 3, Crotch – HandmadePhD
How to fit pants – pattern adjustments
Nellie Joggers + Shorts: Sizing, Muslins, and Common Fit Adjustments f – Pattern Scout Studio