I had a similar problem with the PGYtech Pocket 2 dataport to cold shoe adapter (being way too loose to say in the adapter). After receiving a tip here, I managed to fix it by applying two or three layers of masking tape on it. Works great now.
Hi, lutzmix. Thank you for reaching out. We'll take it as a suggestion of yours and we'll forward it to our relevant team for its potential. Thank you so much for your continued support.