So I read about this take down lever/ thumb rest on another site and part of me thinks oh cool, but another part is whispering "gimmick."
What do you think?
What do you think?

Thumb Rests
The Align Tactical® THUMB REST TAKEDOWN LEVER is compatible with all models of Sig Sauer® P320 (M17/M18)® pistols. Hardened S7 tool steel part finished in Black Oxide. Approved for USPSA Production. Made in USA with lifetime warranty.
www.aligntactical.com