Knead butter in pieces, sugar, rum, cinnamon, cloves, flour and egg with the dough hook of the mixer to a smooth dough, form it into a roll and put it wrapped in foil in a cool place for about 30 minutes.
Line baking tray with baking paper. Preheat oven (electric cooker: 175 °C/circulating air: 150 °C/gas: see manufacturer). Cut the dough roll into approx. 20 slices. Form finger-thick rolls from the slices and place them on the baking tray.
Bake in a hot oven for 10-12 minutes. Let it cool down.
Chop the hazelnuts, roast them in a pan without fat until golden brown, let them cool down. Chop the chocolate coating and melt in a hot water bath. Dip the ends of the sticks into the couverture. Sprinkle the hazelnuts on the ends and let them dry on cake racks.