
Foot pegs/braces allow a kayaker to get torso rotation for proper technique. You should be sitting upright in the seat (not slumped down) with knees slightly bent and feet lighly touching the pegs.
SealLine SmartTrack Split Pedal Foot Brace
-Tough aluminum rails for increased rigidity
-Track design prevents sand build-up
-Solid fixed foot braces with toe operated rudder control.
-The foot braces can be adjusted while seated in the kayak
( SealLine is a Cascade Designs brand )

Sea Dog foot pegs/brace
The pedal is molded out of Nylon, easy to adjust from the cockpit .
The track & the adjustment rod are molded out of engineered Polypropylene.
Ergonomically designed pedal is very comfortable, one model even pivots with foot position.

Harmony Slidelock foot pegs/brace
Adjusts via extension rod, no more reaching deep into hull.
Designed to provide secure footbrace position and to resist "pop out."
Aggressive foot pedals help cold wet feet stay in place.

Yakima foot pegs/brace
Strong aircraft aluminum with milled in 'sand slots' for clog free operation
Plastic track - aluminium rail combination - corrosion free mechanism
Simple spring loaded lever lock on foot pegs
Easy, 'blind reach in the cockpit' readjustment.
Weight: 2 lb 3oz. (1kg) - whole system (rails, tracks, pegs, screws)

Werner foot pegs/brace
Aluminum inner rail slides smoothly through outer plastic track for easy rudder control.
Sturdy foot peg track provides 16 peg positions for 12" of adjustability.
Simple locking system is easy to move forward and back with one hand.
Grooves in the track prevent sand and other debris from jamming the system.

Keepers foot pegs/brace
Very cheaply made and don't hold up well under load, pegs known to pop out.
Replacement Keeper Foot Peg will cost you $10 when lost.
Short video from Greg Barton - Olympic medal winner originally born in Jackson, Michigan