The answer would be : Chest strap
In order to monitor your Target heart Rate Zone, the most common method is by using a heart monitor (the portable device) to measure your heart rate during various types of activities. In order to keep the heart monitor in place during the your activities you could use a Chest Strap.
All jokes aside I love your kurmui pfp!!
It would be helpful because she would need different air to balance her heart weight?
Bullying is when you say bad things to people but harassment is when you try to say things to people to make them be shy
