Is Rob ter Horst forced by sports watch companies to use only the Polar H10 and to cite only certain papers which are funded by sports watch companies if he wants to receive smartwatches for testing for free? Posted bypg@petergamma.org April 10, 2024April 10, 2024 Last Updated on April 10, 2024 by pg@petergamma.org 1580. Is Rob ter Horst forced by sports watch companies to use only the Polar H10 and to cite only certain papers which are funded by sports watch companies if he wants to receive smartwatches for testing for free?