he told us to touch them from the top and to avoid their tails and to shuffle on the sand when walking. 3. give them a prop with purpose. however, they are not 100% scratch-proof. i have tried to read both from cover to cover, and it has never quite worked out. thanks it is really useful.i will publish it on my site. start with a weight of 100 grams or less. the replacement fee includes a minimum replacement cost of $55.00 and processing fee of $25.00. excessively, this made then not downloaded as it is. 