No one likes to be poked with a needle, whether for a vaccine or a blood draw. But for children, getting a shot at the doctor's office can be frightening and lead to some emotional outbursts.

Whether you want to mend a ripped pair of jeans, re-attach a lost button, hem too-long curtains, or try out some beginner-level embroidery projects, there’s one crucial thing you’ll need to know how ...