Clamping device which can be applied to an object , for example a cloth, foil or plate, by clamping two opposite sides of the object, comprising: - a first clamping part provided with a first clamping surface and a guide surface present opposite and ascending relative to the first clamping surface, and - a second clamping part provided with a second clamping surface that faces the first clamping surface, as well as a sliding part which can slide over the ascending guide surface and thereby changes the distance between the clamping surfaces, - wherein the first clamping part on the side of the ascending guide surface is provided with a first protrusion , - wherein the sliding part is provided with a second protrusion which is on the same side of the first clamping part as the first protrusion, - wherein the protrusions can be moved manually towards each other and away from each other in order to move the clamping surfaces towards each other or away from each other, - wherein the first clamping part is provided with a slot which is present in the ascending guide surface and extends in the ascending direction, - wherein the sliding part is connected via a connecting part to the rest of the second clamping part , and - wherein the connecting part protrudes through the slot and the sliding part being located on both sides of the slot . characterized in that : - the first clamping part is provided with a further slot which is also present in the ascending guide surface and is parallel to said slot , and - the second clamping part is provided with a further sliding part which is connected via a further connecting part protruding through the further slot to the rest of the second clamping part, - wherein the further connecting part protrudes through the further slot and also the further sliding part is located on both sides of the further slot and is provided with a third protrusion . - a first clamping part provided with a first clamping surface and a guide surface present opposite and ascending relative to the first clamping surface, and - a second clamping part provided with a second clamping surface that faces the first clamping surface, as well as a sliding part which can slide over the ascending guide surface and thereby changes the distance between the clamping surfaces, - wherein the first clamping part on the side of the ascending guide surface is provided with a first protrusion , - wherein the sliding part is provided with a second protrusion which is on the same side of the first clamping part as the first protrusion, - wherein the protrusions can be moved manually towards each other and away from each other in order to move the clamping surfaces towards each other or away from each other, - wherein the first clamping part is provided with a slot which is present in the ascending guide surface and extends in the ascending direction, - wherein the sliding part is connected via a connecting part to the rest of the second clamping part , and - wherein the connecting part protrudes through the slot and the sliding part being located on both sides of the slot . - the first clamping part is provided with a further slot which is also present in the ascending guide surface and is parallel to said slot , and - the second clamping part is provided with a further sliding part which is connected via a further connecting part protruding through the further slot to the rest of the second clamping part, - wherein the further connecting part protrudes through the further slot and also the further sliding part is located on both sides of the further slot and is provided with a third protrusion . <EOS>