How to connect two tracks with splicer:
(1) Loosen screws on splicer, position screws toward back side of the track.
(2) Cut the track square, insert top flange of the track up to mid point of the splicer.
(3) Tighten the screw so that metal key on splicer locks into the slot.
(4) Repeat the same to splice two tracks tight together.