knurlier
/ˈnɜːrliər/Definitions
1. adjective
Having or showing a greater degree of knurling, or a more rugged, rough, or uneven texture or appearance.
“The knurlier surface of the stone made it difficult to climb.”
2. comparative form of knurled
Comparing two things, with the first being more rugged, rough, or uneven than the second.
“This metal is knurlier than the one we used last time.”