downlocking reel seat with opportunity for a fighting butt?

Best Entry Level, Intermediate, and Advanced Euro Nymphing Rods - Flylords Mag

Best Entry Level, Intermediate, and Advanced Euro Nymphing Rods - Flylords Mag

Fly Rods

2018 European-Style Nymphing Fly Rod Shootout and Fly Rod Review - Trident Fly Fishing

2 to 6 Weight Up/ Down Locking Reel Seat FRC-UL6M with Carbon Insert — Fortitude Rod Co

A5 All Metal Reel Seat w/Removable Fighting Butt - Custom Fly Rod Crafters

DOWNLOCKING FLY REEL SEAT - DL5

2 to 6 Weight Up/ Down Locking Reel Seat FRC-UL6M with Carbon Insert — Fortitude Rod Co

Rod Building is EASY Part 1: Fighting Butt and Reel Seat

Atlas down-locking reel seat with fighting butt (carbon fiber insert) – Proof Fly Fishing

Review: Thomas & Thomas Contact II fly rod

Down-Locking Reel Seats, Reel Seats