You should hear the pitch of the note move with your finger--getting higher if you move towards your body and lower if you move away. [substeps] A slide is noted on a tab by a slash.
[header] How to use sliding for blues guitar [title] Fret a note, play it, and slide to another fret without picking up your fingers. [step] A slide is supposed to be a continuous sound. You pick the note, holding down your finger, then slide up or down the neck while you can still hear the first note.