David Fisher has wielded jump ropes to wow presidents ... his two longest, thickest ropes — 16-foot-long cloth ropes knotted at ends that he uses for double Dutch. He went out the backyard ...

“I just instinctively went right for my bag of jump ropes and pulled out the double-Dutch ropes,” Fisher told the outlet. “I headed out on the ice pond, and as I started to go out ...