Egg The name is a giveaway, these forms are egg shape, but you will not find any grip other than the sculpted form inside the center oval. These are very technical holds, approaching the slopers of Fontainebleau. They can be used particularly as slabs or vertically to create a route that imposes compressed movements. 3 egg sizes were created; L, XL and Macro.. Home » Holds » Brother » Egg Big Egg 1 This egg-shaped grip is, as you can see, very aesthetic; it is also very technical: the central bowl is very slight and will require a lot of attention from the climber to enhance it. ◄ ± 40 cm ► – ▲ 10 cm ▼ Big Egg 2 This egg-shaped grip is, as you can see, very aesthetic; it is also very technical: the central bowl is very slight and will require a lot of attention from the climber to enhance it. ◄ ± 40 cm ► – ▲ 10 cm ▼