I used spray with cotton batting, but I needed help from my husband. We laid out the backing and the batting, then rolled the backing towards the middle of the quilt and started spraying/smoothing in sections. It took us a while since the batting was a little difficult to work with, but once it was done it was very secure. It probably took us an hour to do it, but I think maybe next time it'd go faster since we're familiar with the process now.