It starts with spider and the last word is roof. You need to use all of the words in the list except one to complete the chain. So the first would be 'spider' plus another word that fits. then that word plus another on the list. lastly it would be a word from the list added to roof to finishe the chain. there will be one word left over - what is that word? the list: tail monkey gear dry kite fishing bone fly sailor bar clean slate box