I have one similar to this but most of the time end up just cutting the butthole out and pulling it back through. Make sure your knife is sharp and don't bust the bladder.I don't use this; but saw it on amazon for cheap - https://www.amazon.com/dp/B008T2M65...C3OTNPP1&psc=1&ref_=list_c_wl_lv_ov_lig_dp_it