Uke grabs both of tori's wrists.
Ryote-dori is carried out from the gyaku-hanmi position.
Ryote-dori is not the end of the attack, but only the first contact. Uke intends to hold tori down or move them into a position where the attack can be continued, e.g. with a kick or a headbutt.
It is in uke's best interest to make it a good and secure grip while keeping arms and shoulders flexible ("sticky grip").
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