We were getting frustrated with slow crimping. While not doing enough volume to warrant an automatic machine we augmented our hand crimps to make the job a little bit easier.(for more details and how to build your own http://oomlout.co.uk/blog/WCRH )Once cut from 3 & 6 mm sheet stock the pieces should go together quite logically.Then grab a cheap pair of of the shelf hand crimps (we used these pair http://oom.lt/yXUoiR ) cut the bits out and bolt together. You'll be effortlessly crimping in no time.