When it’s 1 a.m. and Kim Manwaring can’t sleep, he goes outside and jumps on his pogo stick. The 66-year-old pediatric neurosurgeon says pogoing helps his insomnia. It’s also his go-to workout.

In September of this year, Pogo realized it had sold almost none of its sticks, so in a transparent attempt to shift some units, it marked the price down to $20 and branded it as iPhone 3G compatible.