1) Get something like this with a barb to matchwhatever the diameter of your garden hose is: https://www.amazon.com/Anderson-Metals-Garden-Fitting-Connector/dp/B006PKMU7U/ref=pd_lpo_328_t_0/134-3532387-3488256?_encoding=UTF8&pd_rd_i=B006PKMU7U&pd_rd_r=db5eb5ad-faef-4585-afed-a1734e1161ed&pd_rd_w=4oeYB&pd_rd_wg=gQGBp&pf_rd_p=337be819-13af-4fb9-8b3e-a5291c097ebb&pf_rd_r=YR4DPGCAXJ8DZJW6SG8Q&psc=1&refRID=YR4DPGCAXJ8DZJW6SG8Q
2) Cut off the existing fitting a few inches from the end
3) Fit the barbed end into the cut off end of the garden hose
4) Secure with a worm clamp
5) Resume hosing.