So fun fact:
Transthetics has been working on a fully-functional prosthetic that is a 3 in one, last I heard he had managed to get some university engineering student teams working with him on it, but the development of it still takes funding for the different phases. I highly recommend checking out his website, poking around a little bit, taking a look at some of his products, and maybe donating to the Bionic project if you can/ are interested.
Otherwise, he does have a lot of good products that are currently either STP/ Packers and others that function as what I like to call Pack'n'play (I'm sure you understand the meaning there).
If you need reviews on existing products from that website as well as from a lot of other places, check out Chase Ross on YouTube (uppercasechase is the channel name) if you haven't already seen him, he does ALOT of unboxing and reviews, as well as touches on a lot of trans topics. He's got an amazing series of "trans 101" that not only helps trans people themselves understand things, but some of them are also really good for educating family and friends. He's one of many, just one of the bigger ones.
Other FtM trans youtubers that come to mind that come to mind are Ty Turner, Jammidodger, Max Aaron and myself (although I'm not big or even mediocre by any stretch of the imagination), but I'm not sure if they do a whole lot, if any, reviews. YouTube is your friend, though, and these guys have some great insights.