easily engaged and released from knobs or handles of cabinets and or appliances by an adult but which may be difficult to remove by a small child referring now to fig1 and 2 it may be seen that an exemplary embodiment of a self locking device 10 may include a closed loop 12 and one or more locking balls 14 formed outside of the loop 12 the device 10 may be constructed from an elastomeric material such as silicone rubber advantageously the device 10 may be constructed from material that may have regulatory approval for contact by small children the loop 12 and locking balls 14 may constructed as a single integrally molded device the loop 12 may be constructed with a cross sectional thickness between about 3 mm to about 7 mm the device 10 may be constructed in various sizes with lengths of the loop 12 ranging from about 60 mm to about 150 mm advantageously the loop 12 may have a teardrop shape the balls 14 may be spherical and may have a diameter between about 10 mm to about 25 mm the balls 14 may be positioned at ends of extensions 16 at a distance of about 10 mm to about 20 mm away from a joining point 18 of the loop 12 in an exemplary configuration a first one of the extensions 16 may project outwardly from the joining point 18 in alignment with a right hand portion 12 1 of the loop.