(Soap and water, need it be said, are extremely slippery customers.)
The lane surface carries a high amount of oil (lane conditioner) and is extremely slippery.
The fabric is extremely slippery and difficult to control through the presser foot of a sewing machine.
Because of this the pitch was extremely slippery while the sliotar was also difficult to control.
Roads in Tortola's interior can be steep and extremely slippery when wet.
Rare winter rains can cause extremely slippery road surfaces or localized flooding.
The situation is comparable to a racecar on a banked circuit with an extremely slippery road surface.
Roads in Curaçao are extremely slippery during rainfall.
The deck proved to be extremely slippery when wet.
Roads in the Dutch Caribbean can be extremely slippery during rainfall.