<human>: Goal: How can I play slide guitar without an actual slide?

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- Take a beer bottle or other rounded glass or metal instrument and slide on strings of guitar, as you fret with your other hand.
- Take a Evian bottle or other rounded glass or metal instrument and slide on strings of guitar, as you fret with your other hand.
<bot>: Take a beer bottle or other rounded glass or metal instrument and slide on strings of guitar, as you fret with your other hand.