Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Poor product

The assembly instructions are very poor. You have to figure most of it out as you go. They don't include any lock washers either. Once I got it together it is a nice looking machine but A TOTAL WASTE OF MY MONEY. It breaks OVER 50 percent of the birds it throws. I have adjusted the tension spring as week as I can and still throw a bird but it still breaks most of the birds. I have contacted customer service three times now but they they have made no reply. If you buy one you just better hope it works with no problems.