Out and wrapped around the space between your 2nd and 3rd knuckle, so that it doesn’t hit anything. Thumb-in can break your thumb if you punch hard. Basically it’s there to keep the striking part of the fist firm, not to be part of the actual stiking
Out and wrapped around the space between your 2nd and 3rd knuckle, so that it doesn’t hit anything. Thumb-in can break your thumb if you punch hard. Basically it’s there to keep the striking part of the fist firm, not to be part of the actual stiking
Edit: also you want it wrapped in tight. If it’s poking out on it side and your punch lands weird, the part that’s poking out could get pushed back and break your thumb. Like this: https://th.bing.com/th/id/OIP.M7k1QAH2pA3M5cJpthD-KgHaF1?pid=ImgDet&dpr=3