"I think the techy drawing clip will be best along with the bulldog clips as normal."
Not sure what you mean, mj. The top needs to have the same type of sprung clip as shown in my photo, so that it's easy to release the spiral, turn over a new page, then trap the spiral again. A bulldog clip is no good for that - either it's so tight to hold the book that it needs 2 hands to open, or it simply isn't up to the job of holding the book.