I’d love to share insight as a rider with “sponsors” and regularly creates content on social media. There is definitely some misunderstanding that can occur from both retailer and persons. I would say more riders are starting to work as I do, with contracts, etc. But, the equestrian-market is a little slower behind other (fashion/lifestyle/health brands that work with social media managers)
This can work in a few ways. I as the rider/content creator have created an audience that is valuable to the retailer. This value, I charge for either through paid posts or some* product exchange.
Sometimes a brand will reach out, say hey can I send you product. Most of them have a contract that requires an IG story, post, etc. I may choose to sign the contract if I feel the product meets the value I charge for content. If I dont and the retailer wont meet my price we don’t continue.
Sometimes, a brand will say hey can we send you product, I actually receive PR packages weekly, sometimes I’m not even aware the brand is sending product. If I LOVE the product I may share it online, but I’m by no means obliged to post.
There are instances, when I may be interested in a product. However, I dont want to share apparel that I don’t like/know to my followers. So I will say, let me try it and see. If I like the product maybe we work together, if I dont’ I’m not going to share it. But,the retailer understands before-hand.
As a rider myself, I’m normally more flexible with equestrian-brands as I want/need the products. whether that be supplements/apparel/boots. So I will negotiate maybe monthly, quarterly shipments,etc.
My advice to your friend is to set up a contract with potential influencers/riders.
I will add, probably in my experience, if a brand sent me a product without a contract, unless I was overwhelmed by the product and thought it would increase my views and/or wanted to work with the brand again, I would not post on Instagram. (Now sometimes, I will if I think I can eventually convince a brand to do paid posts or send consistent product do some “free” work at the beginning, but don’t feel that it is an obligation)