3 ms·
I've found that useful too, at times. http://www.focusboosterapp.com/ http://www.focusboosterapp.com/ is a nifty timer made just for this.
by philcrissman 17y ago
I've found that useful too, at times. http://www.focusboosterapp.com/ http://www.focusboosterapp.com/ is a nifty timer made just for this.