what type of clamp would be best to make a good few shelf's? last time i used a clamp was in high school but now i want to make my wood work projects a lot neater so what type is good for this task, am i right with this choice, 2 or 3 of them ..... was going to link a clamp but it wont let me because im new, it was a bessey malleable iron clamp, i just put bessey into google and it was the 1st website.