Uke grabs tori's wrist with one hand across (ai-hanmi = handshake stance)
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Uke grabs one of tori's wrists with one hand (gyaku-hanmi = mirror stance)
"Corner drop": tori influences uke's center in a way that makes uke tip over one side.
Turning exercise with partner: uke grabs a wrist in katate-dori, tori uses an (irimi) tenkan turn to move to the outside. Uke keeps the grip - both partners maintain connection.
Choking hold from behind where UKE's other hand fixates TORI's hand.