OK - I've heard one too many times about how the TRX rubs against your arms during the chest press. If you find the strap is rubbing against your arms you can do one of two things: 1) Simply elevate your hands until the TRX is slightly above your arms. 2) To use a lower hand position, drop your elbows...

Here is another great video on how to prevent rubbing while using the TRX.