Question about Gardena T-piece

When I see that the ratings for this product are poor, I think that's exactly the problem I've had with a similar product... The hoses come off on their own with pressure. The simple solution is to add Colson fasteners 😊 : https://www.galaxus.ch/fr/s4/product/max-hauri-attaches-de-cable-serre-cables-en-plastique-200-mm-100-pcs-collier-de-serrage-6148273?ip=attache+plastic