I recommend the http://www.rest-timer.com Great for making the workout more interesting and helps to reinvigorate you. Good stuff. and cheap too.

This company called Goodtech has develped this product called the Wristband Rest Interval timer. It is awesome. It is all preset and preprogrammed for the optimal rest period between sets. Only one press is required. Check it out... at http://www.rest-timer.com Good workout to everyone! Best regards...

For deadlifts and cleans there really is no substitute. Shrugs can be done with a TRX. Lean back like you would with a Body Row and Shrug up. Like the other exercises, you adjust to find the angle that's right for you. If you need it to be even more chllenging, single-leg and/or single-handle mode...