This item is very hard to sell at 2 keys and there are multiple people selling for less and lots of buyers than can get easily for less

Unsold for 2 keys

http://www.tf2outpost.com/trade/8389402 - 3 days

http://www.tf2outpost.com/trade/8429262 - 2 days

http://www.tf2outpost.com/trade/8253772 - 1 week

http://www.tf2outpost.com/trade/8022189 - 2 weeks

http://www.tf2outpost.com/trade/8415249 - 2 days

http://www.tf2outpost.com/trade/8374031 - 4 days

Painted for 2 keys

http://www.tf2outpost.com/trade/8374982 - Slate

http://www.tf2outpost.com/trade/8333548 - Lime

http://www.tf2outpost.com/trade/8463004 - Gold

http://www.tf2outpost.com/trade/8159238 - Lime

Selling for under 2 keys

http://www.tf2outpost.com/trade/8444566 - 1 key 2 ref

http://www.tf2outpost.com/trade/8470313 - 1 key 3 ref

People willing to sell for under 2 keys

http://www.tf2outpost.com/trade/7920898 - Has offers of painted for 2 keys and has people selling for 4-6 ref

http://www.tf2outpost.com/trade/8137720 - Has 1a couple for 1.5 keys and more for still under 2 keys

http://www.tf2outpost.com/trade/7390474 - Person bought multiple for 5 ref and an offer of 2 keys for a lime

Bought at 1 key

http://www.tf2outpost.com/trade/7618128

http://www.tf2outpost.com/trade/8137720 - couple people sold for a key

http://www.tf2outpost.com/trade/8122397 - Got no offers for 2 keys but multiple for under 2 keys

http://backpack.tf/classifieds/search/tooth%20kick - At time of this post there are a couple people for under 2 keys and painted for a tad bit more than 2 keys, also lots unsold for 2 keys

As you can see there are people selling for under 2 keys, painted for 2 keys, and buyers can easily get for under 2 keys