Device for maintaining (1) a tree trunk (2) on a tutoring wire (3) that includes a fastening (4) for securing it with the wire (3) and a flexible strap (5) that extends according to a main direction, the flexible strap (5) being able to close on itself again to surround the trunk (2), the maintenance device (1) being characterized in that the fastening (4) includes； - a main body (10) integral with the flexible strap (5) to receive a portion of the wire (3), the main body (10) including a retention notch (13)； - a blocker (11) suitable for re-closing by ratchet on the retention notch (13) of the main body (10) to retain the portion of the wire (3) in the fastener (4)； the blocker (11) being connected to the main body (10) by means of a thin hinge (12) that authorizes the rotation of the blocker (11) about an axis parallel to the main direction. (Machine-translation by Google Translate, not legally binding)
