Prime Science Peak Performance Bar - a revolutionary palm cooling device massively improves your performance both for lifting and endurance. Palm cooling has been shown to improve Pull-Ups by 144% in 6 weeks and endurance by 25%. An NFL player improved the amount of dips he could do by 201% in only 5 weeks with palm cooling. Now you can get these benefits with the Peak Performance Bar!
[[ https://primescience.co.uk/pages/peak-performance-bar | Peak Performance Bar ]]