OWC Mercury On-The-Go - Bridge Card and Drive Insertion into Heatsink

Page 9
Here is the bridge card with the 4 screws fully inserted into the
hard drive.
Take the assembled bridge card / hard drive and slide it into the
rails that are built into the aluminum heatsink inside the clear
acrylic enclosure. The bridge assembly will fully slide all the way
into the enclosure as shown above.