Train to the max with this Shoulder Resistance Harness. It is designed to allow users to strengthen their core running abilities through speed training. This speed harness is constructed with an adjustable belt with handle, and it includes a convenient carrying bag for transportation. 
 
Includes a 10' long adjustable belt with a pulling handle at the end
Supplied with a carry bag for easy store and travel
Resistance workouts help users improve strength
This fitness harness allows users to improve their speed and running power