These are some wool slacks cut like skinny jeans, with rivets and everything. The client generally wears boots, so I added some similar-weight cashmere godets in the side seams up to the knee.
I stitched some scrap fabric over the rivets so they wouldn’t poke out and wear on the ribbon or look lumpy.
I pinned this grosgrain ribbon up the side seam with a ruler inside the leg so I wouldn’t pin through more than one layer of fabric:
It came out looking pretty sharp: