Renpho Smart Jump Rope review: 3 workouts in 1

Muhammad Ali. Floyd Mayweather. Mike Tyson. Evander Holyfield. These men are renowned as some of the greatest boxers of all time, and their records and championship belts prove it. How did they get that way though? In order to be the best, you have to train like the best. If you search the Internet, you’ll find clips of almost all professional boxers jumping rope in preparation for a bout.