A stretch of mobile track is placed above the lowered mainsails. When the gate is removed, the head carriage and top batten slider of a square-top mainsails can be extracted to make it easier to “tie” the mainsail to the boom.
Manufacturer part #:HS22.06
 
           
                         
           
           
                 
             
                 
             
             
             
             
             
             
            