Forearm/Elbow Pain Relief Taping Guide & Video
This arm taping technique can be used to treat lateral elbow pain when extending the wrist. This taping guide requires one kind of tape and has one step. Using:
Step 1 apply a strip towards the middle on the top of the forearm, stick towards the middle on the underside of the arm, then pull the part closet to the body over the arm with a slight stretch and stick down. 
Alternatively a video is available. https://www.youtube.com/watch?v=ISF7FXVs3_s