Make a symbol

allow the other person to subtly know that you want some hanky panky.
some things people do but you can make it anything,
1. hang something on the door (a tie, a thong, a hat, anything)
2. light candles (wither a special one or a bunch)
3. where something that you decide on
4. a code word

you can make it anything those are just a few suggestions. make it fun and if you have children make it subtle.

A bed of roses

I love it when my husband puts out roses, but girls can do it for their guys as well. it makes the atmosphere so nice! i like to bring them with me whenever we are staying in a hotel or go on vacation. Also i will randomly light the candles and put out the rose pedals when i know he has had a long day, even if it is just to give him a massage!
http://xsandoslingerie.com/abedofroses.aspx

here is the description on the website
This wonderfully romantic travel pack contains 4 tea lights, scented silk rose petals, and an invitation for you and your sweetheart! By using the bed of roses you can create a safe and romantic environment that can spark the passion in your marriage! This is one of the easiest ways for a husband to score some romantic points. Next time you are planning a get away for the two of you, don't forget the bed of roses.

massage candle

This is my favorite candle! It is a kissable massage candle. I will post the description below. This one smells like watermelon jolly ranchers and burns only a couple of degrees above body temperature so it is safe to pour directly to the skin or dip your finger into the oil. They are made from all natural ingredients and have no preservatives. I like to burn it while i am in the shower and just use it as a lotion it also comes in a non edible version which comes in many different scents. Here is the link to this candle but you can look at many other scents on this website as well.

http://xsandoslingerie.com/watermelonediblemassagecandle.aspx

Earthly Body's Watermelon Massage Candle is a great gift for an anniversary or birthday present for your honey. It is even a great gift for a friend who is getting married. This deliciously scented massage candle has a sweet watermelon aroma. Light the candle to set the mood, scoop the warm melted oil directly out of the candle while lit, and drizzle the soothing oil on your spouses skin and massage away. The oil will not leave the skin oily because it is also a moisturizer. And as a bonus the watermelon massage candle is edible which allows for a tasty sensual massage.