How tennis gear actually works — string mechanics, racquet specs, tension behaviour, hybrid logic. Plain-English explainers, no marketing copy.
Here is a claim a lot of well-meaning parents have heard, sometimes from a club pro, sometimes from a YouTube video: teach the Eastern forehand grip and the full swing first, and the rest follows.
A father sat next to me at a 12-and-under tournament last spring, leaned over, and asked what "thirty-fifteen" meant. His daughter was serving. The scoreboard had just flipped.