diff --git a/ifd_builder.go b/ifd_builder.go
index 605eabd..e4cc14a 100644
--- a/ifd_builder.go
+++ b/ifd_builder.go
@@ -311,6 +311,10 @@ func NewIfdBuilderFromExistingChain(rootIfd *Ifd, itevr *IfdTagEntryValueResolve
 	return firstIb
 }
 
+func (ib *IfdBuilder) NextIb() (nextIb *IfdBuilder, err error) {
+	return ib.nextIb, nil
+}
+
 func (ib *IfdBuilder) ChildWithTagId(childIfdTagId uint16) (childIb *IfdBuilder, err error) {
 	defer func() {
 		if state := recover(); state != nil {
diff --git a/ifd_enumerate.go b/ifd_enumerate.go
index 79db40b..00c843e 100644
--- a/ifd_enumerate.go
+++ b/ifd_enumerate.go
@@ -434,6 +434,9 @@ func (ie *IfdEnumerate) Scan(rootIfdName string, ifdOffset uint32, visitor RawTa
 
 // Ifd represents a single parsed IFD.
 type Ifd struct {
+
+	// TODO(dustin): !! Why are all of these public? Privatize them and then add NextIfd().
+
 	// This is just for convenience, just so that we can easily get the values
 	// and not involve other projects in semantics that they won't otherwise
 	// need to know.