hi geeks need some help and advice, im training in acrylics at the min with en and iv done 3 real hands including myself the 1st client i done tips chipped d day later i think i put acrylic on abit thick as was struggling with consistancy at 1st then i done mine to practice and thy are fine but i done another friend wed and by thurs her tips had chipped only about 3 but i cant understand why?? please help as i dont want this happening again