Clips from Twitch cannot be synced at all (Pause button is locked and progress bar is broken)
ex link. https://www.twitch.tv/andersonjph/clip/ViscousBeautifulOtterPhilosoraptor-rouGouLQzBaK5g8B
Thanks for your feedback. This is a limitation in Twitch’s embeded player. Clips can not be controled from another website.