A couple of Halloween flash special sketches from Old Liberty Tattoo.

Friday the 13th isn’t just for scary movies and superstitions — especially when it falls in October. Several tattoo shops in Philly are offering flash specials for tomorrow’s big day.

Shops usually offer tattoos like the number 13 to go along with the theme of the unofficial holiday, but the Halloween proximity means this month’s designs are a tad … creepier.

Here are seven tattoo shops/studios you can go to get that Jason mask tattoo you’ve been dying (ha) to get. Take a peek at their deals and designs:

Frequency Tattoo Company

Frequency Tattoo Company in East Falls will be offering design sheets from their four tattoo artists. The “as-is” designs cost $31, and start at noon. Check out the rest of the flash sheets from John Howie, Justin Turkus, Anna Henzy and Robert Kraiza here.

Old Liberty Tattoo

Old Liberty Tattoo near East Passyunk Avenue is offering a Halloween flash special this whole month. Customers can choose a black and gray tattoo for $60 to $80, or a full color tattoo for $100 to $120 from the preselected sheets. It’s also okay to bring your own Halloween themed tattoo for the artists to check out. Customers can stop by around 2 p.m. to get tatted.

Electric Temple Tattoo

Electric Temple Tattoo in Brewerytown will have a flash special tomorrow and Saturday with prices ranging from $50 to $100. All the artists in the studio collaborated on a design sheet they’ll be working from. The special starts at 11 a.m. Friday and on Saturday at noon — just in time for the 2017 Girard Avenue Street Festival.

Art Machine Productions

Art Machine Productions in Fishtown will be offering $50 tattoos (that’s half the price of their normal deposit fee) all day starting at noon. Two of the studio’s artists, Justin Rakowski and Dan Anthony, will be tattooing people on a first-come, first-serve basis. Customers should plan on arriving early to get a spot on the list, and keep in mind it’s a cash-only event.

Hunter Gatherer Tattoo

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Hunter and Gatherer Tattoo in Spruce Hill will be offering limited edition designs for $50. Tattoo artists Mike Munter, Jen Rahman and Clay Willoughby will all be using their own custom sheets, and will start tatting people at noon. While most of the designs will cost $50, Munter and Rahman are including premium tattoos for higher discounted rates on their sheets. Anyone interested should plan on coming in as early as possible — bring cash. Check out a sneak peek of the three artists’ unique custom sheets here.

Spirited Tattooing Coalition

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Spirited Tattooing Coalition in Cedar Park will be doing flash tattoos from $60 to $120 starting at 1 p.m. until 9 p.m. The shop’s artists helped draw up the flash sheets, which you can check out at the shop. Customers should know tattoos will be put on arms and legs only, and it’s first-come, first-serve.

Moo Tattoo

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Moo Tattoo‘s $31 tattoo special starts tomorrow and runs through Monday. The shop at Fifth and South will have select designs available, but customers can also email in designs for pre-approval at info@mootattoo.com. Customers should book their tattoo special appointment on the website. And special VIP designs, which range from $90 to $260 can also be booked on the website. The special sheets can only be viewed at the shop, so you’ll need to stop by to check them out.