From the grammar the usage “Heelys” is apparently singular. And from the signs specificity Heelys Skating is particularly problematic, well beyond skateboard, roller skate, bicycle or other transgressions. Interesting that while most automobile showrooms are ceramic tile, concrete, and such, Heelys are still seen to have a negative effect. I would not think scratching the surface, but maybe a screechy sound.
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For Safety Related Regulatory Signs see…
“RubberMaid® Pop-Up Safety Cone”
“Euro Fixture™ Stackable Safety Signs“For Regulating Retail Signs by Title see…
“No Heelys Allowed”
“Service Animals Only”
“Mall Code of Conduct”
“Target® No-Carts Escalator”
“No Smoking: Target® Fireworks Sale”
“Buyers Regret Return Policy”
“No Propane Allowed In Store”
“Watch For Moving Retail Equipment”
“Back-of-Store Shock Hazard Warning”
“Police Tape Guards Point-of-Purchase Prepack”
“Acura® Stop Sign in Retail Regulation”
“Attention Moms, Dads, Grandparents, and Guardians”
“No Smoking Unless You Are On Fire”
“Police Enforced Retail Loitering Regulation”
“No Juggling Beyond This Cashwrap Point”
“Wet Paint Warning in Wet Paint”
“Euro Fixture: Cashwrap Schlagbaum”
“Marshall’s® One Line Serves All”
“Parent-Child In-Store Warning”
“Civility Reigns Supreme in Signs”
“Alcohol Only This Line”
“No Funny Business This Christmas”
“Lutron® Showroom Tour in Process”
“Please Enter At Other End”
“Please Keep Children In Hand”
“Dr. Seuss Youer than You“
“Kobalt® Brands Sockets-for-Life”
“$4,000 ALNO You Break It You Bought It”
“Restroom Hand Wash Enforcement”
“Next Window at Weis”
“Warning: Weight Estimates Only”
“No, No, No, No – Bank Regulation”
“No Anything On Premises”
“No-Nonsense No Loitering Sign”
“IKEA® Stair as Staging”
“Target® Xmas Buck Stops Here”
“Spoon-Not-Included Disclaimer”
“No Hoodies Allowed” Retailing”
“Do-Not-Touch Exercise Equipment”
“No Shirt, No Shoes, No Problem”
“No Cell Phone Orders”
“Lowes® Emergency FlipChart”
“Take the Stairs Elevator Advisory”
“No Smoked Meat on Our Menu”
“Flashing In-Aisle Caution Light”
“Retail Ahead – Do Not Enter”
“Mixed Signal Welcome in Retail”
“Adult Content in Retail”
“No Smoking. Have a Mint Instead!”
“Return Policy Empowers Sales”
“You Bought It, You Own It!“
“Upscale Handle-With-Care Warning”
“All Sales Very, Very Final”
“Smoke Ye Not in Uncial Majuscules”
“No Bike Riding in Store”
“No Soliciting Unless Thin Mints”
“Unattended Child Warning“
“No Grazing … You Big Heifer”
“No Free Taste Tests“
“Retail Rules of Engagement”
“Get Off The Cell Phone, Bai-tch”
“Warning Door Eats Children“
“Mall Cops a Phone Call Away”
“Shoplifters Put On Stern Notice!”
“Handicapped Store Front Decal“
“Mind the Gap“For all Regulating Retail sign resources see…
“Regulating Retail with Signs Pinterest Board“ for a visual summary.
“Regulating Retail Index Page” for all resources and linksFor Red Fixtures resources see…
“Red Fixtures Pinterest Board“
“Red Fixtures Index Page”# # #