Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to decide which golf clubs are right for you [title] Understand how golf clubs are different and how they are the same. [step] All the advancements in golf club technology have really brought club designs a long way. With each advancement in technology, companies have studied and learned each aspect of the golf club and how to make it better.

Ending1: There are a couple of features that club companies try to maximize for each club. These features include things like center of gravity, moment of inertia, sole design and grooves. Ending2: In the first few years of intellectual and developmental writing, professional publishing, and over the course of your career, you are talking about the major aspects of golf clubs like : [substeps] Size. Tees, rows, grooves, and squares. Ending3: [substeps] For example, golf clubs are made of a different material than golf clubs. The various aspects of wood ones are very similar. Ending4: Additionally, every club is different-if you are new to golf, you'll have very different approaches for how things work. With that said, there are some of them : [substeps] Look at the 2010 golf clubs.

Answer format: ending1/ending2/ending3/ending4