Learn how to make 9 of the best life hacks in this diy tutorial plus an awesome all new shaving cream art challenge that you need to know because it will make you look like a genius.   JOIN OUR ALL NEW KEYPER CLUB: youtube.com/channel/UC7TTtOQKMXTWWMtWQMIgVSA/join   Last time brothers (not twins) the key bros competed in a do it yourself $10,000 slime mixing challenge. Today there are awesome, unexpected tricks with irons, an oobleck slime eraser, the ultimate blue watermelon, and more! Make sure to stick around for the end when they try and test to see which are epic fails! It’s another awesome and funny viral video in this entertainment and life hack compilation series.   GET YOUR MERCH BEFORE ITS SOLD OUT: shopcollinskey.com   #diy #HowTo #LifeHack #Genius #ArtChallenge #CollinsKey FOLLOW COLLINS KEY Instagram: instagram.com/collinskey Twitter: twitter.com/CollinsKey Snapchat: CollinsKey   DEVAN'S LINKS: Insta: bit.ly/1wMSMyu Twitter:...