Not using my arms to make the coolest slime ever.... is a challenge! You guys let us know who did a better job!!! Subscribe for more cool videos! http://bit.ly/2nCf9L4 SIS vs BRO instagram @ sisvsbro_karina_ronald Karina has a new instagram @ kurzawa_karina Ronald's new instagram @ ronaldkurzawa Get our shirt: https://www.sisvsbro.com Welcome to SIS vs BRO! This is where Karina and Ronald join forces to challenge each other in countless fun videos! Challenges, gaming, and more!!! Be sure to SUBS
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