An apparatus (1) for applying traction to a penis (100), comprising - a base member (10) adapted to be arranged around the base (110) of the penis (100)； - a retaining member (20) for fixation and support of the glans (120) of the penis (100)； - a telescoping connection member (30) arranged between the base member (10) and the retaining member (20), the telescoping connection member (30) having a longitudinal axis (A)； wherein the telescoping connection member (30) comprises - a first tube part (40) and a second tube part (50), said first tube part (40) being slidable arranged in said second tube part (50)； - a first spring (60) connected to said first tube part (40), said first spring (60) being compressible in a direction transverse to the longitudinal axis (A) of the telescoping connection member (30), - first engagement means (65) arranged on said spring (60), and - a plurality of second engagement means (55) arranged in said second tube part 50, wherein said first engagement means (65) are adapted to engage with either of the plurality of second engagement members (55) to releasably lock the first tube part (40) against sliding with respect to the second tube part (50).
