1) Attach a yoke or harness to 2) Attach a yoke to 3) Harness 4) Hook a yoke on 5) Tackle 6) To yoke 7) To yoke or harness 8) Yoke 9) Yoke harness 10) Yoke on the veld 11) Yoke or harness 12) Yoke up a team Found on https://www.crosswordclues.com/clue/inspan
In·span' transitive verb & i. [ Dutch inspannen .] To yoke or harness, as oxen to a vehicle. [ South Africa] Found on http://www.encyclo.co.uk/webster/I/69