results are obtained with a refrigerator-cold bottle.
always keep the bottle so the neck points away from you and anybody else. to get a good grip on the bottle, you can stick your thumb up into the bottom of the bottle and grab the bottle with the rest of your hand. find the line that goes along the bottle from top to bottom. the seam or joining line, if you want.
along this line let the saber slide on the bottle. you can practice by letting the saber slide a few times from the bottom to the top. now repeat the movement and complete it until you hold the champagne saber at 