We have updated our training content which I think you’ll find really useful – check out Module 08: Listing Optimization for Conversion.
To answer your question regarding KW and title, the important thing is to identify your main KW plus your main ‘set of secondary KW’s’ in order of search term volume and relevancy (check out Module 7 : Keyword Optimization – to help you)
Your option-1 title looks great: Cat Scratch Furniture Protector and Scratch Deterrent will shield your furniture from cat claws
– because it contains your primary KW, secondary KW, and also a benefit.
So just extend this further to take advantage of all the character length and refresh your knowledge with our upgraded training.