Here Push Pins affix a low, light-duty product stop in the Snacks Department. Pushpins come in temporary and permanent mount varieties, and differ for pegboard hole and shelf edge perforation. What? You thought something as simple as a Push Button would exist in a single style?
According to Wikipedia Push-Pin was originally an English game dating from the 1500s to the 1800s and a form of gambling when pins were valuable, difficult to manufacture, commodities.