Tandem overview by Laura Glaess
Basics of Tandem Charleston, how to get in and out, Push Out, Chase = S-Turn
Chase into Tandem by Michael and Evita
Detailed tutorial of Chase (S- Turn) = how to get in Tandem!
Chase into Tandem by Laura Glaess
Not-so-detailed, but with many examples and variations
Push Away (left hand)
Detailed tutorial by Michael and Evita. Push Away is simple and nice move in Tandem.