When I was seven, a camp counselor at the Warwick, Rhode Island YMCA taught me how to make a friendship bracelet. She gave me three different colored strings, and demonstrated the “four” pattern I had to follow to tie each individual knot. My first foray into crafting my own was total crap, but I triple-knotted that thing within an inch of its life and wore it until it was so faded and frayed that my mom made me cut it off because it was embarrassing her. (And also, it smelled.) But man oh man, did I love it… and the hundreds of other friendship bracelets I made from the years of 1999 to 2006. So this summer, when I saw everyone on Instagram shelling out over 40 bucks a pop to stack their arms with the multicolored string bracelets in the latest nostalgia-centric style trend, I thought, “pshht, I could do better than that” and ordered myself a 13 dollar kit of string and beads on Amazon. When it arrived, I posted up on my couch in complete silence, tied six pieces of string around my toe—the way my counselor taught me to—and got to work on a chevron pattern. By the time I looked up, three hours had passed. I hadn’t checked my phone once (no small feat for someone who averages 19...