The Gymboss interval timer is a great little gadget. It is indispensible for high intensity conditioning, allowing you to get your timings right for a variety of exercise protocols. It can handle intervals, tabata protocol, boxing rounds and any AMRAP workout.

The gymboss is inexpensive and easy to operate. It also has a handy clip so you can take it with you when you go running.

Click here to buy direct from Gymboss (ships from the US).

The indispensible tool for self myofascial release or foam rolling. This open cell foam roller has a slip-resistant textured surface and is a great at-home accessory for rehabilitation, pain relief or just speeding up recovery from training. The foam roller is around 30 inches long and 6 inches in diameter.

If you want to know a bit more about foam rolling, check out these tips from Eric Cressey and Mike Robertson at T-Muscle.com.