An ablation apparatus includes a flexible probe adapted for 5 insertion into a heart of a living subject. The probe has a distally disposed ablation electrode to be brought into contact with a target tissue in the heart, and has facilities for mea suring contact force with the target tissue. The apparatus in cludes a transmitter, operative to transmit an indication of the contact force to a wearable device having an actuator oper ative to haptically stimulate the operator responsively to the indication.
