Assuming you're talking about the two finger-like objects on the spider's abdomen - they're the spinnerets . The spinnerets are where the spider produces the silk from for web-spinning.
Tarantula
Tarantula
tarantula by Pendulum
Each leg is made of seven segments and has 2 or 3 tiny claws at the tip. If a leg is lost, it will grow back.
Oil Sweat and Rigs - 2006 Tarantula 2-5 was released on: USA: 21 May 2007
Back 2 One - 2012 A Little Change 1-2 was released on: USA: 1 January 2012
No. It is a sony thing only
2-2.5 years
Back at the Barnyard - 2007 Little Otis 2-11 was released on: USA: 1 July 2009
Little House on the Prairie - 1974 Back to School Part 2 6-2 was released on: USA: 24 September 1979
Moonlighting - 1985 Come Back Little Shiksa 4-2 was released on: USA: 6 October 1987
It depends on the species. Most tarantula species commonly reach sexual maturity anywhere between 2 and 5 years of age, although a few can take up to a decade.