Hi guys! I am about to start feeding BSFL. I have read where they can come out the same way they go in. Then I read something on pinning them right before they are fed. I wanted to get feedback if this is a preferred way of feeding to ensure that they are properly digested. Or should I try feeding first to see if he has issues with not digesting them? I have had no issues with him not digesting any other feeders. Thank you!