Slip the lifting hook through one eyelet.
Slip the opposite eyelet through the lifting hook on the load.
Loop a long rope around all four corners of the load to control it as it's lifted. These ancillary ropes are called "tag lines."
Wrap the sling around the load.
Feed one eyelet through the other to close a loop around the load, "choking" it.
Pull the eyelet that was fed through, vertically, and slip it onto the lifting hook.
Slip one eyelet through the lifting hook on the boom.
Wrap the lifting strap around the bottom of object to be lifted.
Bring the open eyelet from the bottom of the object, up to the lifting hook, and slip it on to complete the basket hitch.