There are several styles of dropside, the most common being the Classic style with vertical risers and Deluxe style which lowers and folds underneath the stretcher top. 

Classic style dropside.

• To release, lift the dropside lock tab and then lower the dropside. When the dropside is lifted into its upright position, it will automatically lock.

Deluxe style dropside. 

• To release, lift the dropside lock tab and then lower the dropside. When the dropside is lifted into its upright position, it will automatically lock. 

Horizontal rail dropside. 

• To release, pull the dropside lock knob out and then lower the dropside. When the dropside is lifted into its upright position, it will automatically lock.