A sealant-applicator tip, comprising: a body, having a plane of symmetry, wherein the body comprises an inlet opening; a head, extending from the body opposite the inlet opening, wherein the head comprises: a first planar face, comprising a first linear edge; a second planar face, oriented at a first non-zero angle to the first planar face and comprising a second linear edge, wherein the first linear edge of the first planar face and the second linear edge of the second planar face lie in a virtual flat plane; a third face, separating the first planar face from the second planar face, wherein the third face comprises a third edge; a fourth face, comprising a fourth edge; a fifth edge, shared by the first planar face and the fourth face; a sixth edge, shared by the second planar face and the fourth face; a seventh edge, shared by the third face and the fourth face, and an outlet opening, formed in the third face, wherein the outlet opening is in communication with the inlet opening of the body; and a channel, extending from the inlet opening to the outlet opening; and characterized in that the third edge of the third face is linear and lies in the virtual flat plane, the third face is planar, and the third face is oblique to the first planar face and to the second planar face and wherein the head further comprises: an eighth edge, shared between the first planar face and the third face; and/or a ninth edge, shared between the second planar face and the third face. a body, having a plane of symmetry, wherein the body comprises an inlet opening; a head, extending from the body opposite the inlet opening, wherein the head comprises: a first planar face, comprising a first linear edge; a second planar face, oriented at a first non-zero angle to the first planar face and comprising a second linear edge, wherein the first linear edge of the first planar face and the second linear edge of the second planar face lie in a virtual flat plane; a third face, separating the first planar face from the second planar face, wherein the third face comprises a third edge; a fourth face, comprising a fourth edge; a fifth edge, shared by the first planar face and the fourth face; a sixth edge, shared by the second planar face and the fourth face; a seventh edge, shared by the third face and the fourth face, and an outlet opening, formed in the third face, wherein the outlet opening is in communication with the inlet opening of the body; and a channel, extending from the inlet opening to the outlet opening; and characterized in that the third edge of the third face is linear and lies in the virtual flat plane, the third face is planar, and the third face is oblique to the first planar face and to the second planar face and wherein the head further comprises: an eighth edge, shared between the first planar face and the third face; and/or a ninth edge, shared between the second planar face and the third face. a first planar face, comprising a first linear edge; a second planar face, oriented at a first non-zero angle to the first planar face and comprising a second linear edge, wherein the first linear edge of the first planar face and the second linear edge of the second planar face lie in a virtual flat plane; a third face, separating the first planar face from the second planar face, wherein the third face comprises a third edge; a fourth face, comprising a fourth edge; a fifth edge, shared by the first planar face and the fourth face; a sixth edge, shared by the second planar face and the fourth face; a seventh edge, shared by the third face and the fourth face, and an outlet opening, formed in the third face, wherein the outlet opening is in communication with the inlet opening of the body; and a channel, extending from the inlet opening to the outlet opening; and characterized in that the third edge of the third face is linear and lies in the virtual flat plane, the third face is planar, and the third face is oblique to the first planar face and to the second planar face and wherein the head further comprises: an eighth edge, shared between the first planar face and the third face; and/or a ninth edge, shared between the second planar face and the third face.