How I make my vinegar bottle slides. I clamp 2 pieces of 2x4 to a table at a right angle and another chunk of wood to support the neck. I put the bottom of the bottle in the right angle and turn it with my left hand while holding a glass cutter against the neck with my right hand. I make one score around the neck. I use a piece of blue painter tape around the neck as a guide to keep my score straight. Then I pour boiling water over just the score while turning the bottle and then stick it into a can of water and ice. I repeat this 2 or 3 times until the end falls off the neck. Then I measure for the length of the slide and repeat the whole procedure. To finish it I use little (4" x 4") stress of wet-dry sand paper on a small flat piece of wood and grind the end of the slide on that. Keep it very wet. I start with 60 to 150 grit, whatever I have on hand to take out all the imperfections and to slightly round the edges inside and out. I then move to 400 grit and then 600. The sanding takes 1 to 3 hours depending on how good the break was. I usually do this while watching TV or chatting with a friend and the sanding is a fairly mindless and boring task.
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How I make my vinegar bottle slides. I clamp 2 pieces of 2x4 to a table at a right angle and another chunk of wood to support the neck. I put the bottom of the bottle in the right angle and turn it with my left hand while holding a glass cutter against the neck with my right hand. I make one score around the neck. I use a piece of blue painter tape around the neck as a guide to keep my score straight. Then I pour boiling water over just the score while turning the bottle and then stick it into a can of water and ice. I repeat this 2 or 3 times until the end falls off the neck. Then I measure for the length of the slide and repeat the whole procedure. To finish it I use little (4" x 4") stress of wet-dry sand paper on a small flat piece of wood and grind the end of the slide on that. Keep it very wet. I start with 60 to 150 grit, whatever I have on hand to take out all the imperfections and to slightly round the edges inside and out. I then move to 400 grit and then 600. The sanding takes 1 to 3 hours depending on how good the break was. I usually do this while watching TV or chatting with a friend and the sanding is a fairly mindless and boring task.
Thanks for the comments there SSShane, but the credit must go to UJ ! Greeettssszz A.D.