Sometimes we need glass bottle for decoration but we confuse how cut it. Here a simple way to cut glass bottle.take bottle which u want cut. Take nail polish remover...
Sock a plece of yaern in nail polosh remover. Tie around bottle, light awith a lighter, let burn all the way around for about 10-15 seconds then dip in bowl of cold water perfect splitt every time
Be sure to wear safety gloves and glasses just in case,
Now just invert the top of yarn bottle and fill into bottom plece before filling with dirt and planting thread same oil lantern wick thread through the top and down the bottle neek. This is absorb waterup into the soil giving you a self watering ppantter.
bottle is ready for your decoration.