I think Clinton means the plastic waste traps under the sinks, you can just unscrew them by hand. But it's all yukky and slimey in there when you undo it, you get a handful of it

By far the best thing to do is get a piece of garden hose and tap adaptor, and stick it on the tap. These sorts of thing:



I carry a selection of adaptors and fittings so I can always connect the TM on to any supply available.