how do youkeep squirrels out of bird feeders?

we have tried oil on pole, dome to keep them down on which they just jump up on. even put tin around one side of feeded. they just hang on it

you need a feeder like the one on this link

View a movie of the
Twirl-a-Squirrel™ in action!*

http://www.birdquest.com/twirl.htm

Lawn Care : How to Keep Squirrels Off a Bird Feeder

Brome 1024 Squirrel Buster Plus Wild Bird Feeder with Cardinal Perch Ring $86.95 Squirrel Buster Plus Bird Feeder with Removable Cardinal Ring This posigrip ring system has been specifically designed to attract cardinals. These perennial favorites have two very distinct features: small necks and big feet. They prefer gripping a thick textured perch and facing their food source directly. Cardinals dislike turning their heads to feed. The Squirrel Buster Plus Cardinal Ring perch…

Heritage Farms Absolute II Squirrel Proof Bird Feeder $52.25 Mixed seed Squirrel proof Feeder. Adjustable weight setting on spring operated perch closes access to seed….

Homestead 3201S Super Stop A Squirrel Wild Bird Feeder $29.96 Super StopASquirrel Feeder with heavy duty steel hanger included. Pole mount (up to 11/4 diameter poles) with mounting clip included (pole is NOT included). Can also be post or tree mounted with mounting hardware included. Stainless steel spring adjusts to deprive squirrels of feed and also restrict large birds by closing the feeding ports. Large, clear window to show seed level. Removeable seed b…

Outwitting Squirrels: 101 Cunning Stratagems to Reduce Dramatically the Egregious Misappropriation of Seed from Your Birdfeeder by Squirrels $1.91 This book illustrates and explains a series of strategems to keep squirrels from eating and ruining yards and gardens when more traditional tactics fail….

In a Magnolia Minute: Secrets of a Late Bloomer $5.14 Among listeners of public radio in coastal North Carolina, lifelong Southerner Nan Graham needs no introduction. Her first book, Turn South at the Next Magnolia, brought her even more happy fans. Her latest, In a Magnolia Minute, is sure to win her further praise as a Southern humorist. Here, you’ll meet the Southerner who relishes a spoonful of Vicks VapoRub for dessert and encounter crazed en…