It sounds almost adorable when a toddler says “wabbit” instead of rabbit or “thocks” instead of socks, but those mispronunciations — known as articulation disorders — lose their cuteness if they don’t ...

Avi Kaplan-Lipkin is retraining his tongue, to make the "r" sound. The device he's using to do it looks something like the paper noisemakers you'd buy for New Year's Eve. The device is part of a ...