In landscape photography, hyperfocal distance can be effectively doubled using a simple trick...

If you require everything in focus from infinity to as close as possible, set the aperture as small as possible (f16 for expample). Rotate the focus so that the infinity mark is opposite the f16 hyperfocal distance mark on the lens (if you've got these markings on the lens). 'In theory' the hyperfocal distance will then be from the one f16 hyperfocal distance mark to the other one. The image may look blurred in the viewfinder.

You can double check whether the setting will work if you've got a depth of field preview button on the camera.

As others have already said, the hyperfocal markings on the lens are a bit optamistic, so allow a bit of a 'fudge factor' if you intend to blow the image up to any reasonable size. The lens manufacturers definition of 'acceptable focus' is similar to the legal term 'reasonable length of time'.

My Voigtlander 25mm lens has click stops on the focussing ring. If I click the lens to the 3m setting and shut the lens down to f11, there's virtually no need to focus the lens as everything will be in focus from infinity to about 2m.

This 'trick' is often employed in point & shoot and single use cameras. The lens is permanently focussed at a distance less than infinity and a small aperture is used to get as much into focus as possible.