While this plug is simply in the ground, but after shaking after a short time with the full clothes dryer. The following works fine: Take an old 10-liter bucket, fill it two-thirds with concrete, for example Quickmix, and place the bundled in Linomatic-Wäschespinne ground socket therein. Then dig a hole, place into the bucket and make sure that the cover of the sleeve remains a few centimeters deeper than the soil or the sod (important so that the lid can not be made from the lawnmower broke). Use the spirit level meticulously check that the sleeve is level and plumb in the concrete. Fill the earth and possibly use sod again, tread down, finished. Allow to harden for a day and used clothes dryer. Keeps bombproof!