What: Assemble Victorian-inspired cameo brooches, learn to tie a cravat, and make creepy linoleum block prints at the free, guide-led Vampire 101 tour at The Rosenbach Museum & Library.
Why: Garlic necklace not required.
When: Sat., 3-8 p.m.
Where: 2008-2010 Delancey Pl. (215-732-1600).
What: Grab a cocktail (perhaps the whiskey-heavy Cheap Trick) and watch costumed dancers shimmy at The Trestle Inn’s free Halloween-themed grand opening bash.
Why: New owners breathe life into a once-seedy club.
When: Sat. Doors, 5 p.m.; party, 8 p.m.-2 a.m.
Where: 339 N. Eleventh St. (267-239-0290). R.S.V.P. online at eventbrite.com.
The Black Cat Cabaret
What: When not cracking bawdy jokes, Karen Gross shares the limelight with Liz Filios, Jeremy Dyen, and comedian Doogie Horner.
Why: A portion of proceeds goes, fittingly, to the Philadelphia Animal Welfare Society.
When: Fri., 7:30 p.m.
Where: Tin Angel, 20 S. Second St. Tickets ($15) at 215-928-0770 or online at comcasttix.com.
Armed and Dangerous: Kevin Lyons Wrecks American Mortals
What: Snag a copy of the illustrator’s book, Miles Runs the Voodoo Down ($20), and watch him scribble on the salon’s walls.
Why: Pink Skull’s DJ Julian Grefe and sips of Rhuby and Snap make the workweek a distant memory.
When: Fri., 6-9 p.m.
Where: 729 Walnut St. (215-574-1234). Free.
Il Pittore Opens
What: Chef Chris Painter turns out dishes (suckling pig with pear mostarda; bistecca for two with chestnut honey-glazed turnips) inspired by his travels through Italy at Stephen Starr’s newest joint.
Why: His house-made pastas put the boxed stuff to shame.
When: Mon.-Thurs. & Sun., 5-10 p.m.; Fri. & Sat., 5-11 p.m.
Where: 2025 Sansom St. (215-391-4900).
Photo: Mary Vogel Lozinak / Courtesy of The Rosenbach Museum & Library