Sunvallytek via Amazon offers Prime members the TaoTronics Dashboard Phone Cradle, model no. TT-SH04, for $12.99. Coupon code "ED7SN23Y" cuts it to $7.99. With free shipping, that's $7 under the lowest total price we could find elsewhere. (Non-members will need to spend over $35 to get free shipping, else it adds $6.06.) Features include 360-degree rotation and a heat-resistant suction pad.
Orders placed via Prime by December 22 are guaranteed to arrive in time for Christmas. (The deadline for standard shipping is December 19.)