Revolution Enterprise's Sweet Loops was the company's answer to finger pain caused by the yo-yo string. The package contained three Sweet Loops and five strings. The back of the packaged explained how to string the finger loop.
Of interest... Over the years, yo-yo manufacturers have explored numerous ways to address "Yo-Yo Finger"—the discomfort caused by prolonged use of a yo-yo string wrapped around the middle finger. Since the early 1980s, numerous innovative solutions have emerged on the market:
