Posted by asteflix on 2016-05-16 19:46:10
A real one. They don't cost a lot.
Posted by Dalfort on 2016-05-17 01:15:39
I find tapping your wrist watch constantly tutting works well... :D
(I am joking!!)
Posted by keggiemckill on 2016-05-18 00:45:36
You could set a Timer on an iPhone. Laps ad such. I have a real Chess Clock I use on special occasions.