Maybe one of these similar products would be of interest:-
Rowing Machine Foot Strap Fitness Foot Strap Replacement Fixed Foot Strap
Rowing Machine Foot Strap Fitness Foot Strap Rowing Machine Accessories
Rowing Machine Foot Strap Fitness Foot Strap Replacement Fixed Foot Strap
Rowing Machine Foot Strap Fitness Foot Strap Rowing Machine Accessories