AS 8005:2020 Accessories for child restraints used in motor vehicles
3.4  Workmanship, finish and hazards
The following shall apply:
(a) General — All parts of the accessory shall be finished smooth and free from rough edges, sharp corners, burrs and any irregularities that are potential hazards to the child occupant in the child restraint that the accessory is fitted to or to occupants sitting next to the child restraint that is using the accessory, or cause discomfort to the occupant or damage the occupant’s clothing or vehicle trim. Parts shall not cause damage to, nor pierce the webbing of, the child restraint or the seatbelt.
(b) Hazardous sharp edges and hazardous sharp points — The accessory shall be examined for the accessibility of sharp points and sharp edges in accordance with AS/NZS ISO 8124.1. For examination purposes, the accessory shall not be disassembled other than as specified in the manufacturer’s instructions. When tested in accordance with AS/NZS ISO 8124.1, any accessible sharp edge or sharp point shall not be a hazardous sharp edge or a hazardous sharp point as defined in AS/NZS ISO 8124.1.
For the purpose of this Clause, where the word “toy” appears in AS/NZS ISO 8124.1, the word “accessory” shall be substituted.
(c) Ingestion or inhalation hazards — Any component that is designed to be removed from the accessory shall not present an ingestion or inhalation hazard when tested in accordance with AS/NZS ISO 8124.1.
(d) Removable projections — Except for projections that are designed to be detachable, any projection that is able to be grasped with the thumb and forefinger or the teeth of a child shall be attached to the accessory in a manner that prevents the component being removed or broken when it is tested in accordance with the torque and tension tests in AS/NZS ISO 8124.1:2019 Clauses 5.24.5 and 5.24.6. Projections inside the child restraint that may contact the head shall conform to Item (e).
(e) Projections contactable by the occupant’s head — Projections shall not be included on any accessory that can be contacted by a child’s head when sitting in the child restraint except where there is —
(i) a discontinuity of surfaces that creates a step with a height of more than 5 mm with a radius of at least 5 mm or chamfered sides of at least 45°;
(ii) a protrusion of more than 5 mm in height and at least 10 mm in diameter with radius of no more than 2 mm on each edge; and
(iii) a protrusion of no more than 5 mm in height with at least 5 mm radius on each edge.
NOTE  Examples of projections contactable by the occupant’s head are shown in Figure 3.1.