p@f, think what andrew is saying is, its not fair copying or diying anyones elses idea who has put a lot of money into their product. especialy if they are member or associated in the window cleaning industries. wfp is a fast growing industry, we are looking for cheaper, easier, faster, lighter, products. and that is my aim, if anything i have given more ideas, to help window cleaner, And their will be many more to come, i will respect,and not step on anyones toes where possible, andrew am a nice guy realy, jouk45