Skewers and kebabs are easy to make, and assembling them isn’t hard, but anyone who’s poked themselves on a skewer knows it can still suck. Luckily, all you need to speed up the process (and make it safer) is an onion—one you may be using anyway.
Source: LifeHacker – Use an Onion to Make Assembling Skewers and Kebabs Easier (and Safer)