<human>:  Do silicone suits make judo difficult?
<bot>: Yes, silicone suits make judo difficult. Judo is a martial art that requires combatants to grip their opponents and throw them in various ways. Judo practitioners traditionally wear an outfit called a gi, which opponents use to grip and throw. Silicone is one of the slipperiest substances on the planet. So silicone suits make judo difficult.