You can use a pastry cutter, too, but I find that a clean pair of hands work best. (thecrepesofwrath.com)
The heart rate sensor on the other hand works well, although most of the time you have to wear the watch rather tightly to get this to work. (indianexpress.com)
In fact, you can simply take it easy and relax, knowing that by the time the assignment deadline comes, you can have handed the work in on time. (quickwriter.com)