The RL-99 "REDLEG MALLARD" DUCK CALL. The RL-99 "REDLEG MALLARD" DUCK CALL Designed to give the finest impersonation of a “susie mallard”; this duck call is hand tuned by professional callers and blows wet. Double “O” ring construction insures a tight seal; while the double-reed system famous in the “DR-85” provides resonance. When the wariest of late season, migrating mallard ducks arrive our “REDLEG” mallard duck call will keep them committed to your rig! Haydel . . . the duck's built in!