they say 69 can oso be dangerous depending on whose on top
especially no.2:-
1) if ger on top - then she can control how fast she wants u to
lick & suck her clitoris by moving her body in motion,
but sometimes no siok for guy as
she may forget to suck yrs if she is going into orgasm. 
good thing is if she very wet, all her
juice will flow into yr mouth ! 
2) if guy on top - then guy can control how deep to thrust into her
throat, but sometime she choke due to
the length. (most ger cannot take that cos they have smaller mouth
than yr dicky) 
oso If guy get to excite when cuming, guy tends to
rest heavy on her mouth cosin her to suffocates. 
bad thing is if ger is doing the movement instead of u
thrusting into her, then her head movement will be very restricted,
not siok.
3) handstand - not many ppl can achieve this position as both party
may not be so athletic physically to hold the position for more
than 30 mins. 
4) on the sofa - most ger (Spore ger maybe) r not so fit, if upside
down too long they tends to under perform & feel giddy after
awhile. another way is ger on top which is
better as she is free to stroke u both wif her mouth & hand in
momentum. Ger can still control the pressure of her clitoris on yr
tongue & mouth.
5) lay sideways - not much to do, very static position. Mostly
depends on both party¡¦s oral performance. (sucking & licking
skills)
Other then licking her, try oso using yr tongue to penetrate into
her, my gf likes that. Find out how yr gf likes it or ask yr bf to
do that to u.
