Fastenings Contents Fastening Features Fastening features streamline creation of common features for plastic and sheet metal parts. Lip/Groove PropertyManager Set properties for lip and groove fastening features. Mounting Boss PropertyManager The Mounting Boss PropertyManager appears when you create a new mounting boss fastening feature. Snap Hook PropertyManager The Snap Hook PropertyManager appears when you create a new snap hook fastening feature. You can also create a snap hook groove for the snap hook. Snap Hook Groove PropertyManager The Snap Hook Groove PropertyManager appears when you create a new snap hook groove fastening feature. Vent PropertyManager Use the Vent PropertyManager to control options for vent fastening features. You must create a sketch of the vent that you want to create, then set the vent options in the PropertyManager. Parent topicFeatures