An applicator for delivering a glutinous substance, the applicator comprising: a first body portion, comprising: a base portion; an end-effector interface, extending from the base portion; and a side cover to be removably coupled to the base portion; and wherein: a first cavity is formed in the first body portion when the side cover is removably coupled to the base portion, and the first cavity is at least partially defined by the base portion, the side cover, and the end-effector interface; a second body portion, extending from the base portion of the first body portion, wherein the second body portion is non-parallel to the first body portion and a second cavity extends through the second body portion and intersects the first cavity; a tip portion to be removably coupled to the second body portion, wherein the tip portion comprises: a nozzle portion; and a third cavity that communicatively couples with the second cavity when the tip portion is removably coupled to the second body portion; characterized by an inner sleeve to be coaxially received inside the third cavity of the tip portion; and an actuator interface, extending from the second body portion opposite the tip portion. a first body portion, comprising: a base portion; an end-effector interface, extending from the base portion; and a side cover to be removably coupled to the base portion; and wherein: a first cavity is formed in the first body portion when the side cover is removably coupled to the base portion, and the first cavity is at least partially defined by the base portion, the side cover, and the end-effector interface; a base portion; an end-effector interface, extending from the base portion; and a side cover to be removably coupled to the base portion; and wherein: a first cavity is formed in the first body portion when the side cover is removably coupled to the base portion, and the first cavity is at least partially defined by the base portion, the side cover, and the end-effector interface; a first cavity is formed in the first body portion when the side cover is removably coupled to the base portion, and the first cavity is at least partially defined by the base portion, the side cover, and the end-effector interface; a second body portion, extending from the base portion of the first body portion, wherein the second body portion is non-parallel to the first body portion and a second cavity extends through the second body portion and intersects the first cavity; a tip portion to be removably coupled to the second body portion, wherein the tip portion comprises: a nozzle portion; and a third cavity that communicatively couples with the second cavity when the tip portion is removably coupled to the second body portion; characterized by an inner sleeve to be coaxially received inside the third cavity of the tip portion; and an actuator interface, extending from the second body portion opposite the tip portion. a nozzle portion; and a third cavity that communicatively couples with the second cavity when the tip portion is removably coupled to the second body portion; characterized by an inner sleeve to be coaxially received inside the third cavity of the tip portion; and an actuator interface, extending from the second body portion opposite the tip portion.